Add OCI download capability to the native library

wasmCloud / wasmcloud-otp

wasmCloud host runtime that leverages Elixir/OTP and Rust to provide simple, secure, distributed application development using the actor model

Apache License 2.0

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Add OCI download capability to the native library #43

Closed autodidaddict closed 3 years ago

autodidaddict commented 3 years ago

OCI file download (not necessarily the interpretation of said file) is currently available in here: https://github.com/wasmCloud/wasmCloud/blob/main/crates/wasmcloud-host/src/oci.rs

This issue will be considered closed when there is a tested function in a NIF that can download an OCI file by reference and correctly verify its contents. This elixir-wrapped function will then be used as the basis for starting capability providers and actors by OCI reference instead of by supplying raw bytes.

autodidaddict commented 3 years ago

Note that when an OCI reference (OCI URL -> public key) is established, it must be published on the appropriate NATS topic. From our in-code docs:

wasmbus.rpc.{prefix}.ref_maps.put - Publish a reference map, e.g. OCI ref -> PK, call alias -> PK
wasmbus.rpc.{prefix}.ref_maps.get - Query all reference maps (queue subscribed by hosts)